Xu, Guandong, Yanhui Gu, Peter Dolog, Yanchun Zhang, and Masaru Kitsuregawa. 2011. “SemRec: A Semantic Enhancement Framework for Tag Based Recommendation”. Proceedings of the AAAI Conference on Artificial Intelligence 25 (1):1267-72. https://doi.org/10.1609/aaai.v25i1.8080.